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Simple example of perceptron
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inputs = [0, 1, 0, 0] | |
weights = [0, 0, 0, 0] | |
desired_result = 1 | |
learning_rate = 0.2 | |
trials = 6 | |
def evaluate_neural_network(input_array, weight_array): | |
result = 0 | |
for i in range(len(input_array)): | |
layer_value = input_array[i] * weight_array[i] | |
result += layer_value | |
print("evaluate_neural_network: " + str(result)) | |
print("weights: " + str(weights)) | |
return result | |
def evaluate_error(desired, actual): | |
error = desired - actual | |
print("evaluate_error: " + str(error)) | |
return error | |
def learn(input_array, weight_array): | |
print("learning...") | |
for i in range(len(input_array)): | |
if input_array[i] > 0: | |
weight_array[i] += learning_rate | |
def train(trials): | |
for i in range(trials): | |
neural_net_result = evaluate_neural_network(inputs, weights) | |
learn(inputs, weights) | |
train(trials) |
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